How to store response of url in a variable batch scripting

Question

I am trying to store the response of a URL into a variable in a batch script

Example:

set initial=PowerShell -Command "(new-object net.webclient).DownloadString('https://some-url/id')"

I'm trying to store the response of:

PowerShell -Command "(new-object net.webclient).DownloadString('https://some-url/id')"

into variable:

initial

But this is not working. How can I accomplish my goal?

soja · Accepted Answer · 2016-10-21 06:04:45Z

1

Use for /f. Something like this.

for /f "usebackq delims=" %%a in (`PowerShell -Command "(new-object net.webclient).DownloadString('https://some-url/id')"`) do set initial=%%a

answered Oct 21, 2016 at 6:04

soja

1,60710 silver badges8 bronze badges

Sign up to request clarification or add additional context in comments.

13 Comments

arabian_albert Over a year ago

This seems to just download a file called '(powershell with it's content being the command itself

soja Over a year ago

Make sure to use the backtick around the command. On my keyboard, it's the key above TAB.

arabian_albert Over a year ago

Yes, I am, I copied and pasted your solution.

soja Over a year ago

OK, I guess it depends on what the contents of the URL are. Some characters will be interpreted differently in Batch, especially <, |, >,&. Also, SET has a limitation in that it only works for one line of text. If that's an issue, maybe you should pipe the output to a temporary file instead? Can you clarify what the contents of the URL are?

soja Over a year ago

You must have run it in the cmd window directly. Use %a in cmd, but %%a in a batch file. Don't forget to change both places.

|

Hackoo · Accepted Answer · 2016-10-21 06:38:37Z

1

This an example showing you how to get your public ip address :

@echo off
set "URL=http://myexternalip.com/raw"
Call :GetResponse %URL%
echo %initial% 
Pause>nul & exit
::*****************************************************************
:GetResponse <URL>
for /f "usebackq delims=" %%a in (`PowerShell -Command "(new-object net.webclient).DownloadString('%1')"`) do set "initial=%%a"
Exit /b
::*****************************************************************

edited Oct 21, 2016 at 6:38

answered Oct 21, 2016 at 6:31

Hackoo

18.9k3 gold badges48 silver badges84 bronze badges

Collectives™ on Stack Overflow

How to store response of url in a variable batch scripting

2 Answers 2

13 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

13 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related